Most of what a devops person does is in fact development but it is of the non value adding variety. Basically a devops person spends the vast majority of their time configuring common off the shelf software, scripting this or that, etc.
A singular matrix is a matrix which has no inverse because its determinant is zero. If you recall, the inverse of a matrix is. 1/ ad-bc multiplied by: [ d -b ] [-c a ] If ad-bc = 0, then the inverse matrix would not exist because 1/0 is undefined, and hence it would be a singular matrix. E.g.
Look up matrix at dictionary.com. Both matrices and matrixes are acceptable plurals. Matrices is the Latin plural form. (Matrix is a Latin word.) Matrixes is the form of the word naturalized as English.The fact that matrices is listed first indicates that it is preferred. A search of American and British corpora shows that matrices is far more frequent in both varieties of English.ook up matrix at dictionary.com. Both matrices and matrixes are acceptable plurals. Matrices is the Latin plural form. (Matrix is a Latin word.) Matrixes is the form of the word naturalized as English. The fact that matrices is listed first indicates that it is preferred.